Postsript needed?

Hello,
I crrently have a Hewlett Packard Deskjet 1220C (non-postcript) that I need
to be postscript for publishing. Do you have a current driver/software/part
for OSX 10.2.3?
Sincerely,
Valecia A. Summers
Tallahassee FL
vsummers12@comcast.net